This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A361371 #7 Mar 10 2023 10:08:59 %S A361371 42,2688,316208 %N A361371 Number of weakly 3-connected simple planar digraphs with n unlabeled nodes. %D A361371 M. Kirchweger, M. Scheucher, and S. Szeider, SAT-Based Generation of Planar Graphs, in preparation. %Y A361371 Directed variant of A000944. %Y A361371 Cf. A000273, A003085, A361366-A361370 %K A361371 nonn,more %O A361371 4,1 %A A361371 _Manfred Scheucher_, Mar 09 2023